12. Vasculitis
Fig. 12.1 Giant cell arteritis. The wall of this muscular artery is diffusely involved by granulomatous inflammation, including scattered multinucleated giant cells, with significant loss of the muscular media and…
Sclerosis (Scleroderma)
Cell Pathogenic effects Fibroblasts Produce collagen and other extracellular matrix molecules Adipocytes, endothelial cells, epithelial cells Undergo transition to myofibroblasts expressing a smooth actin and producing collagen T cells Are…
3. Osteoarthritis
Fig. 3.1 OA pathophysiology. The pathophysiology of OA involves a variety of systemic and local factors, including trauma, aging, obesity, epigenetic, and genetic factors. Chronic inflammation plays a strong role,…
Mobile Bearing in Unicompartmental Knee Arthroplasty
Fig. 8.1 The current design of the mobile-bearing Oxford, marketed as the Oxford Twin Peg Partial Knee, was initially introduced in 2003 in the United Kingdom and later implemented worldwide….
Unicompartmental Knee Arthroplasty: Indications and Technique
Fig. 9.1 Anteroposterior, lateral, and patellar view of a 66-year-old patient with left knee pain that is recalcitrant to nonoperative measures. There is lateral joint space narrowing, preserved medial compartment,…
Unicompartmental Knee Arthroplasty for More than One Compartment
Fig. 11.1 Preoperative radiographs of the left knee including (a) standing AP, (b) standing flexion 45-degree PA, (c) lateral and (d) sunrise views. These radiographs demonstrate degenerative changes including medial…
Criteria for Unicompartmental Knee Arthroplasty: Are There Exclusion Criteria?
Fig. 3.1 Intraoperative photo of a unicondylar arthroplasty Fig. 3.2 Example of current unicompartmental knee arthroplasty design [2] Age Traditional criterion for UKA includes age over 60 years old. With the…
of the Unicompartmental Knee Arthroplasty
Fig. 1.1 (MacIntosh tibial insert ) [17]. (MacIntosh tibial insert thicknesses ) [17] Fig. 1.2 (a) St. Georg sled in the all-polyethylene tibia version ; (b) Additional version of the…
Unicompartmental Knee Arthroplasty: Indications and Technique
Fig. 7.1 Preoperative radiographs of case example demonstrating bone-on-bone medial compartment arthritis on the AP, maintained posteromedial tibial plateau on the lateral, and maintained joint space between the lateral facet…
